1) Moved tprintf and related functions to their own file in common/libc/printf/tprintf.c.

This file is included by both libc and hostcompat.

2) Changed printf -> tprintf in all testbin programs

userland/testbin/hash/hash.c

@@ -77,7 +77,7 @@ main(int argc, char *argv[])
 
 	close(fd);
 
-	printf("Hash : %d\n", j);
+	tprintf("Hash : %d\n", j);
 
 	return 0;
 }